440122079 has 2 divisors, whose sum is σ = 440122080. Its totient is φ = 440122078.

The previous prime is 440122057. The next prime is 440122087. The reversal of 440122079 is 970221044.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440122079 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440122049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220061039 + 220061040.

It is an arithmetic number, because the mean of its divisors is an integer number (220061040).

Almost surely, 2^440122079 is an apocalyptic number.

440122079 is a deficient number, since it is larger than the sum of its proper divisors (1).

440122079 is an equidigital number, since it uses as much as digits as its factorization.

440122079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 440122079 is about 20979.0867055742. The cubic root of 440122079 is about 760.6608281679.

The spelling of 440122079 in words is "four hundred forty million, one hundred twenty-two thousand, seventy-nine".